If the Sun is 4.6 billion years old, how many times has it orbited the Milky Way galaxy? (The Sun is 8,300 pc from the center of the Milky Way, and orbits the center at a speed of 225 km/s.) times
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A: Given data: rgalaxy=4 kpcv=150 km/s Need to determine the orbital period of the outer stars.
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A: Given data: Time (t) = 3 × 107 seconds Required: Distance of one light year
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A: To determine,Part aThe pressure in the Pa.part bWhat volume (in m3) is occupied by 5 mol of gas.part…
Q: Using our example from the previous unit, let's try to determine the Hubble time for this example…
A: Solution Given dataSpeed v=4000km/sDistance d=20Mpcwhat would the age of that universe be in…
Q: The New Horizons probe is currently traveling at 14.1 km/s. How long would it take to reach Proxima…
A: speed of probe (v) = 14.1 kms= 14100 msdistance (d) = 4 light years
Q: Astronomers have measured the age of the Universe to be about 14 billion years. Explain how this age…
A: Astronomers estimated that the age of universe is about 12 to 14 billion years. There are two…
Q: Let us assume that our galaxy consists of 2.5 × 1011 stars each of one solar mass. How long will a…
A: Mass of the galaxy is
Q: A given star orbits the center of its galaxy at an average speed of v_star, at a distance of r_star…
A: Given, Velocity of star,vS=200km/s=200×103m/sRadius of star,RS=9 kpc=9×3.086×1019mVelocity of…
Q: If the speed of light is given as 299,792,458 meters per second and the wavelength is 478 nm. what…
A: Given velocity of light c = 299,792,458 m/s wavelength of light λ= 478 nm we have to calculate the…
Q: A galaxy is observed receding from Earth with a speed of 2800 km/s. If the Hubble constant is 22…
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Q: If the speed of light is given as 299,792,458 meters per second and the wavelength is 375 nm. what…
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Q: given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years)…
A: Given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years) =…
Q: Imagine that an object is moving around the Sun. What will be the orbital period of the object in…
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Q: The matter density in the Universe today is ?m=2.7×10−27kgm−3. What would be the value of the…
A: Given that the matter density in the Universe today is 2.7×10-27 kg/m3 and the Hubble constant is 38…
Q: What if the Andromeda galaxy were to disappear How long before we would notice?
A: About 2.5 million light-years separate our solar system from the Andromeda galaxy. If it vanished,…
Q: If a galaxy is 9.2 Mpc away from Earth and recedes at 475 km/s, what is H0 (in km/s/Mpc)?
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Q: Suppose there are 12000.0 civil actions broadcasting radio signals in the Milky Way Galaxy at the…
A: Given that There are 12000 civil actions broadcasting radio signals in the milky way galaxy at the…
Q: Calculate the age of the universe for the following Hubble's constant, (b) 65 km/s/Mpc
A: As per Hubble's law, the universe is expanding. If we assume that the expansion's apparent velocity…
Q: Let's say that the number density of galaxies in the universe is, on average, 3 × 10–68 galaxies/m3.…
A: Given :number density of galaxies, n = 3 × 10–68 galaxies/m3 Observable distance by…
Q: If the active core of a galaxy contains a black hole of 10°M, (1 million solar masses), what will…
A: mass of black hole, M=106 MΘ=106*2*1030=2*1036 Kg radius of orbit,r=0.33 Au=0.33*1.5*1011=0.495*1011…
Q: How long would it take a space craft that was traveling at a speed of 61,079 km/hr to travel a…
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Q: 17). If you were to live another 65 years and there was a starship ready to go right now, how fast…
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Q: the sun has an orbital speed of about 220kms^-1 around the centre of the galaxy , whose distance is…
A: orbital speed of sun = 220 kms= 220000 msdistance = 28000 light years
Q: 17). If you were to live another 65 years and there was a starship ready to go right now, how fast…
A: **As per our company guidelines we are supposed to solve only one question (if there are multiple…
Q: The time for a galaxy to cross from one side of a cluster to the other is called the crossing time.…
A: We are given the velocity of galaxy. We are also given the diameter of cluster. This diameter is…
Q: What is the estimated age of the Universe (in years) if the Hubble constant is 70 km/s/Mpc?
A:
Q: What was the maximum age of the universe predicted by Hubble's first estimate of the Hubble…
A: The first estimate for the Hubble constant H was 500 km/s/Mpc. The formula for the age of the…
Q: Your astronaut twin brother is exploring a planet of a star far out in space. Ignoring the time…
A: Brother's age 2 years for 1 year of my age⇒ t∘=t , t'=2t
Q: If a space ship traveling at 1/5 the speed of light travels to a star system 6 light years away How…
A: Speed of spacecraft is ; here is speed of light.Distance is Note:Speed of light is Find:Time taken…
Q: If the Hubble's constant was 100 km/s/Mpc instead of 70 km/s/Mpc what would be the estimated age of…
A: It was observed that the galaxies were moving away from us. Edwin Hubble calculated their recession…
Q: how many Galaxy are there in all?
A: The huge collection of gas, dust, and billions of stars and their stars, which are held together by…
Q: Consider three periods in the history of the Universe: one million years after the Big Bang (age = 1…
A: In early times, the Universe was expanding at a rapid pace. Then, the rate of expansion of the…
Q: Given the age of a universe as 15.6 billion years. A galaxy is found to be moving at 620 km-s-1 from…
A: Hubble time is the amount of time it took for a universe to reach its current state. For calculating…
Q: If the sun is 4.6 billion years old, how many times has it orbited the Milky Way? (The sun is 8,300…
A:
Q: Calculate the age of the universe for the following Hubble's constant, m (c) 80 km/s/Mpc Of
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Q: If you find a galaxy that is the same size and mass as our Milky Way Galaxy, what orbital velocity…
A: Mass of our galaxy (M1): 4.0 X 1011 M Semi-major axis of the orbit (a): 51 kpc
Q: What would be your estimate for the age of the universe if you measured Hubbleʹs constant to be 33…
A: We are given the value of Hubble constant. We are to find the age of universe. We are also given the…
Q: Let's say that the number density of galaxies in the universe is, on average, 3 × 10–68 galaxies/m3.…
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Q: Most of the dark matter in a galaxy is located in a galaxy's (hint: one word) which allows the…
A: It is a fill in the blank.
Q: If a galaxy is 8.8 Mpc away from Earth and recedes at 498 km/s, what is H0 (in km/s/Mpc)? _______…
A: The required value of Hubble’s constant is, The required value of Hubble time is,
Q: Based on comparison with the Moon, it can be calculated that Andromeda would have to have a diameter…
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Q: If the current mass of the universe consists of 75% protons and 25% 4He, what is the current ratio…
A: Given: Universe consists of 75% protons and 25% 4He.
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